docker: add GH actions build on fix-docker-llvm-build branch to sort out build issues

Signed-off-by: deadprogram <ron@hybridgroup.com>

.github/workflows/build-tinygo-dev-docker.yml

@@ -1,7 +1,7 @@
 name: CI for tinygo-dev docker container
 on:
   push:
-    branches: [ dev ]
+    branches: [ dev, fix-docker-llvm-build ]
 
 jobs:
   push_to_registry: